with him is that sometimes he can be a little professorial, not to put down professors, but in a debate you have to think about the clock and think about the punchy line. is it a challenge for his current team to get him to speak in sound bites? >> well look, i used to joke with him it takes him 30 seconds to clear his throat sometimes. and look, i think -- look there's no doubt that, you know, you've got a very small window of time and brevity is certainly important and as i said earlier, andrea, the president hasn't done these formats in four years. mitt romney has done these pretty recently as part of 20 republican debates, but look, i have no doubt that the president will be well prepared and look, i don't actually think this debate is going to be decided by some snappy zinger or snappy sound bite. i think the american people, particularly the undecided voters that you, chris and mark were talking about, are really looking for these candidates to discuss what they want to do economically and domestically going forward for the next four years. i don't think, you know, snappy slogans